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Cognitive Dynamics Estimation: A whole-brain spatial regression paradigm for extracting the temporal dynamics of
Yutaro Koyama1,2,3,4, Tetsuya Yamamoto3,4, Jun-Ichiro Hirayama5
1Department of Psychiatry, University of Wisconsin-Madison, WI 53719, USA.
Biorxiv : the Preprint Server for Biology
|July 10, 2023
Summary
Functional MRI (fMRI) analysis can now estimate cognitive process dynamics over time using Cognitive Dynamics Estimation (CDE), even without behavioral data. This novel method reveals trial-by-trial cognitive fluctuations and predicts task performance.
Area of Science:
- Neuroscience
- Cognitive Science
- Medical Imaging
Background:
- Functional MRI (fMRI) is crucial for mapping cognitive processes in the brain.
- Conventional fMRI analysis struggles with dissociating cognitive processes and lacks temporal resolution when timing is not orthogonal.
- Existing methods cannot provide temporal insights into cognitive processes.
Conclusions:
- Cognitive Dynamics Estimation (CDE) offers a new dimension to fMRI analysis, focusing on temporal dynamics.
- CDE can elucidate cognitive phenomena, especially those involving time-varying processes.
- The method enhances the fMRI analytic toolkit for exploring underexplored cognitive domains.
